Examples with OrderExpressionDef org.apache.hadoop.hive.ql.plan.ptf.OrderExpressionDef used on opensource projects

Example 6 with OrderExpressionDef

use of org.apache.hadoop.hive.ql.plan.ptf.OrderExpressionDef in project hive by apache.

the class PTFTranslator method translate.

private OrderExpressionDef translate(ShapeDetails inpShape, OrderExpression oExpr) throws SemanticException {
    OrderExpressionDef oexpDef = new OrderExpressionDef();
    oexpDef.setOrder(oExpr.getOrder());
    oexpDef.setNullOrder(oExpr.getNullOrder());
    try {
        PTFExpressionDef expDef = buildExpressionDef(inpShape, oExpr.getExpression());
        oexpDef.setExpressionTreeString(expDef.getExpressionTreeString());
        oexpDef.setExprEvaluator(expDef.getExprEvaluator());
        oexpDef.setExprNode(expDef.getExprNode());
        oexpDef.setOI(expDef.getOI());
    } catch (HiveException he) {
        throw new SemanticException(he);
    }
    PTFTranslator.validateComparable(oexpDef.getOI(), String.format("Partition Expression %s is not a comparable expression", oExpr.getExpression().toStringTree()));
    return oexpDef;
}

Example 7 with OrderExpressionDef

use of org.apache.hadoop.hive.ql.plan.ptf.OrderExpressionDef in project hive by apache.

the class MultiValueBoundaryScanner method getScanner.

@SuppressWarnings("incomplete-switch")
public static SingleValueBoundaryScanner getScanner(BoundaryDef start, BoundaryDef end, OrderDef orderDef) throws HiveException {
    if (orderDef.getExpressions().size() != 1) {
        throw new HiveException("Internal error: initializing SingleValueBoundaryScanner with" + " multiple expression for sorting");
    }
    OrderExpressionDef exprDef = orderDef.getExpressions().get(0);
    PrimitiveObjectInspector pOI = (PrimitiveObjectInspector) exprDef.getOI();
    switch(pOI.getPrimitiveCategory()) {
        case BYTE:
        case INT:
        case LONG:
        case SHORT:
            return new LongValueBoundaryScanner(start, end, exprDef);
        case TIMESTAMP:
            return new TimestampValueBoundaryScanner(start, end, exprDef);
        case TIMESTAMPLOCALTZ:
            return new TimestampLocalTZValueBoundaryScanner(start, end, exprDef);
        case DOUBLE:
        case FLOAT:
            return new DoubleValueBoundaryScanner(start, end, exprDef);
        case DECIMAL:
            return new HiveDecimalValueBoundaryScanner(start, end, exprDef);
        case DATE:
            return new DateValueBoundaryScanner(start, end, exprDef);
        case STRING:
            return new StringValueBoundaryScanner(start, end, exprDef);
    }
    throw new HiveException(String.format("Internal Error: attempt to setup a Window for datatype %s", pOI.getPrimitiveCategory()));
}